public CounterQueueEvent QueueReport(EventHandler <ulong> resultHandler, ulong lastDrawIndex)
{
CounterQueueEvent result;
ulong draws = lastDrawIndex - _current.DrawIndex;
lock (_lock)
{
// A query's result only matters if more than one draw was performed during it.
// Otherwise, dummy it out and return 0 immediately.
if (draws > 0)
{
_current.Complete(true);
_events.Enqueue(_current);
_current.OnResult += resultHandler;
}
else
{
_current.Complete(false);
_current.Dispose();
resultHandler(_current, 0);
}
result = _current;
_current = new CounterQueueEvent(this, GetTarget(Type), lastDrawIndex);
}
_queuedEvent.Set();
return(result);
}
public CounterQueueEvent QueueReport(EventHandler <ulong> resultHandler, ulong lastDrawIndex, bool hostReserved)
{
CounterQueueEvent result;
ulong draws = lastDrawIndex - _current.DrawIndex;
lock (_lock)
{
// A query's result only matters if more than one draw was performed during it.
// Otherwise, dummy it out and return 0 immediately.
if (hostReserved)
{
// This counter event is guaranteed to be available for host conditional rendering.
_current.ReserveForHostAccess();
}
_current.Complete(draws > 0);
_events.Enqueue(_current);
_current.OnResult += resultHandler;
result = _current;
_current = new CounterQueueEvent(this, GetTarget(Type), lastDrawIndex);
}
_queuedEvent.Set();
return(result);
}
public CounterQueueEvent QueueReport(EventHandler <ulong> resultHandler)
{
CounterQueueEvent result;
lock (_lock)
{
_current.Complete();
_events.Enqueue(_current);
result = _current;
result.OnResult += resultHandler;
_current = new CounterQueueEvent(this, GetTarget(Type));
}
_queuedEvent.Set();
return(result);
}